Viewing file:  pr36064.c (1.12 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile } */
/* { dg-require-effective-target ilp32 } */
/* { dg-options "-O1 -march=core2" } */
typedef long long ogg_int64_t;
typedef struct vorbis_info
{
long rate;
} vorbis_info;
typedef struct OggVorbis_File
{
int seekable;
int links;
ogg_int64_t *pcmlengths;
vorbis_info *vi;
int ready_state;
} OggVorbis_File;
extern double ov_time_total (OggVorbis_File * vf, int i);
extern int ov_pcm_seek_page (OggVorbis_File * vf, ogg_int64_t pos);
int
ov_time_seek_page (OggVorbis_File * vf, double seconds)
{
int link = -1;
ogg_int64_t pcm_total = 0;
double time_total = 0.;
if (vf->ready_state < 2)
return (-131);
if (!vf->seekable)
return (-138);
if (seconds < 0)
return (-131);
for (link = 0; link < vf->links; link++)
{
double addsec = ov_time_total (vf, link);
if (seconds < time_total + addsec)
break;
time_total += addsec;
pcm_total += vf->pcmlengths[link * 2 + 1];
}
if (link == vf->links)
return (-131);
{
ogg_int64_t target =
pcm_total + (seconds - time_total) * vf->vi[link].rate;
return (ov_pcm_seek_page (vf, target));
}
}
|
